/**
 *
 *  Copyright (c) 2011, AstroDAbis
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without modification,
 *  are permitted provided that the following conditions are met:
 *
 *      * Redistributions of source code must retain the above copyright notice,
 *        this list of conditions and the following disclaimer.
 *      * Redistributions in binary form must reproduce the above copyright notice,
 *        this list of conditions and the following disclaimer in the documentation
 *        and/or other materials provided with the distribution.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 *  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 *  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 *  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 *  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 *  OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 *  OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */
package org.jiscinvolve.astrodabis.barberry.control.tables;

import java.util.Iterator;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import org.springframework.stereotype.Controller;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.context.request.WebRequest;

import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ModelAttribute;

import org.jiscinvolve.astrodabis.barberry.control.Paths;
import org.jiscinvolve.astrodabis.barberry.control.ObjectData;
import org.jiscinvolve.astrodabis.barberry.control.RequestData;
import org.jiscinvolve.astrodabis.barberry.control.BaseController;

import org.jiscinvolve.astrodabis.barberry.common.core.Account;

import org.jiscinvolve.astrodabis.barberry.common.data.TapTable;
import org.jiscinvolve.astrodabis.barberry.common.data.TapColumn;
import org.jiscinvolve.astrodabis.barberry.common.data.TapService;

import org.jiscinvolve.astrodabis.barberry.common.core.Identifier;
import org.jiscinvolve.astrodabis.barberry.common.core.Identified;
import org.jiscinvolve.astrodabis.barberry.common.core.SimpleIdent;

import org.jiscinvolve.astrodabis.barberry.common.core.exception.*;

/**
 * Table details controller.
 *
 */
@Controller
@RequestMapping(Paths.TABLE_MAPPING)
public class TableController
extends BaseController
    {

    /**
     * Our debug logger.
     * 
     */
    private static Log log = LogFactory.getLog(TableController.class);

    /**
     * Table details page.
     * 
     */
    public static final String TABLE_PAGE = "tables/table-details" ;

    /**
     * Create our RequestData for this request.
     *
     */
    @ModelAttribute(RequestData.MODEL_ATTRIB)
    public ObjectData<TapTable> data(
        WebRequest request,
        @PathVariable(Paths.IDENT) String ident
        ){
        return new ObjectData<TapTable>(
            request,
            womble,
            actor(
                request
                ),
            womble.tables().select(
                womble.tables().ident(
                    ident
                    )
                )
            );
        }

    /**
     * Get request.
     * 
     */
	@RequestMapping(method=RequestMethod.GET)
	public ModelAndView page(
	    @ModelAttribute(RequestData.MODEL_ATTRIB) ObjectData<TapTable> data,
	    ModelAndView model
	    ){
        //
        // If we found the TapTable.
        if (data.object() != null)
            {
    		model.setViewName(
    		    TABLE_PAGE
    		    );
            return model ;
            }
        //
        // If we couldn't find the TapTable.
        else {
            throw new NotFoundException();
            }
        }

    /**
     * JSON get request.
     * 
     */
	@RequestMapping(value="/columns/json", method=RequestMethod.GET)
	public @ResponseBody Iterator<TapColumnBean> columns(
	    @ModelAttribute(RequestData.MODEL_ATTRIB) ObjectData<TapTable> data
	    ){
        //
        // If we found the TapTable.
        if (data.object() != null)
            {
            final Iterator<TapColumn> iter = data.object().columns().select().iterator();
            return new Iterator<TapColumnBean>()
                {
                public TapColumnBean next()
                    {
                    return new TapColumnBean(
                        iter.next()
                        );
                    }
                public boolean hasNext()
                    {
                    return iter.hasNext();
                    }
                public void remove()
                    {
                    iter.remove();
                    }
                };
            }
        //
        // If we couldn't find the TapTable.
        else {
            throw new NotFoundException();
            }
        }

    public static class TapColumnBean
        {
        private TapColumn column ;
        public TapColumnBean(TapColumn column)
            {
            this.column = column ;
            }
        public String getIdent()
            {
            return column.ident().value().toString();
            }
        public String getName()
            {
            return column.name();
            }
        }
    }

